<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Translate.php 16200 2009-06-21 18:50:06Z thomas $
 */

/**
 * Resource for setting translation options
 *
 * @uses       Zend_Application_Resource_ResourceAbstract
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Application_Resource_Translate extends Zend_Application_Resource_ResourceAbstract
{
	const DEFAULT_REGISTRY_KEY = 'Zend_Translate';

	/**
	 * @var Zend_Translate
	 */
	protected $_translate;

	/**
	 * Defined by Zend_Application_Resource_Resource
	 *
	 * @return Zend_Translate
	 */
	public function init()
	{
		return $this->getTranslate();
	}

	/**
	 * Retrieve translate object
	 *
	 * @return Zend_Translate
	 */
	public function getTranslate()
	{
		if (null === $this->_translate) {
			$options = $this->getOptions();

			if (!isset($options['data'])) {
				throw new Zend_Application_Resource_Exception('No translation source data provided.');
			}

			$adapter = isset($options['adapter']) ? $options['adapter'] : Zend_Translate::AN_ARRAY;
			$locale  = isset($options['locale'])  ? $options['locale']  : null;
			$translateOptions = isset($options['options']) ? $options['options'] : array();

			$this->_translate = new Zend_Translate(
			$adapter, $options['data'], $locale, $translateOptions
			);

			$key = (isset($options['registry_key']) && !is_numeric($options['registry_key']))
			? $options['registry_key']
			: self::DEFAULT_REGISTRY_KEY;

			Zend_Registry::set($key, $this->_translate);
		}

		return $this->_translate;
	}
}